.form-geetest-modal{
  position: fixed;
  top: 0px;
  left: 0px;
  bottom: 0;
  right: 0;
  background: rgba(0,0,0,0.2);
  display: none;
  z-index: 99999;
  .captcha {
    width: 259px;
    height: 44px;
    padding: 15px;
    background: #fff;
    border-radius: 10px;
    margin-top: 280px;
    margin-left: calc(50% - 150px);
    text-align: center;
  }
}